Joost gets juiced for its official launch

Big week for Joost. The company behind the eponymous peer-to-peer TV client first announced a deal with Warner Bros. and with Heavy.com. Today, it lets us know that it grabbed $45 million in a first investment round.

According to All Things Digital, Joost got “the big slug of cash for a small minority stake” from an unusual mix of investors, including Silicon Valley’s famed Sequoia Capital (backers of Yahoo, YouTube and, of course, Google) and early Skype funder Index Ventures, as well as CBS, Viacom and the wealthy Hong Kong investor Li Ka-shing.

Of course, big broadcasters are interesting in this Joost technology that prevents video sharing, and stealing. But that might just be temporary…